NSN 5305-01-581-6657 · NIIN 015816657 · Part number SUB-HSC2077-2
Trijicon, Inc. Dba Trijicon Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 0FL29
Government record, cited
NSN 5305-01-581-6657 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-581-6657. Manufacturer of record part number: SUB-HSC2077-2.
Manufacturer of record: Trijicon, Inc. Dba Trijicon Inc
Identification
NSN: 5305-01-581-6657
NIIN: 015816657
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: SUB-HSC2077-2
Manufacturer: Trijicon, Inc. Dba Trijicon Inc
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-581-6657, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Trijicon, Inc. Dba Trijicon Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Screw,cap,socket Head
FSC / FSG
5305 — Screws (FSG 53)
Manufacturers
Trijicon, Inc. Dba Trijicon Inc (CAGE 0FL29)
Technical Specifications
Parameter
Value
NSN
5305-01-581-6657
Primary Part Number
SUB-HSC2077-2
Item Name
Screw,cap,socket Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
Trijicon, Inc. Dba Trijicon Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-581-6720BP-HSC3325-2POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Trijicon, Inc. Dba Trijicon Inc
1240-01-581-6854ACB3165-1POSSIBLE MATCH
CASE,OPTICAL INSTRUMENT
Possible match (shared part number)Trijicon, Inc. Dba Trijicon Inc
5340-01-581-6873SP-ACA3298-2POSSIBLE MATCH
CAP,PROTECTIVE,DUST AND MOISTURE
Possible match (shared part number)Trijicon, Inc. Dba Trijicon Inc
1005-01-614-9848HKY3012-1POSSIBLE MATCH
LARUE THROW WRENCH
Possible match (shared part number)Austin Precision Products Incorporated Div Larue Tactical
NSN 5305-01-581-6657 is a Screw,cap,socket Head, manufactured by Trijicon, Inc. Dba Trijicon Inc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-581-6657?
NSN 5305-01-581-6657 has 1 manufacturer part number on file: SUB-HSC2077-2 (Trijicon, Inc. Dba Trijicon Inc).
What NSN replaces 5305-01-581-6657?
4 possible matches (shared part number, not a government interchangeability claim): 5305-01-581-6720, 1240-01-581-6854, 5340-01-581-6873. Verify interchangeability with system specifications before substitution.
Is NSN 5305-01-581-6657 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.